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I'm using Ubuntu 18.04 in VirtualBox, after installing guest additions I have a choise between virtualbox-guest-dkms and virtualbox-guest-dkms-hwe. What is the difference between them?
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VirtualBox Guest Additions are a collection of device drivers and system applications designed to achieve closer integration between the host and guest operating systems. They help to enhance the overall interactive performance and usability of guest systems.
The VirtualBox Guest Additions consist of device drivers and system applications that optimize the operating system for better performance and usability. One of the usability features required in this guide is automated logons, which is why you need to install the Guest Additions in the virtual machine.
Guest Additions means: software installed on a guest virtual machine. software from a third party (Oracle), not open source and not installed in the usual fashion for the guest OS.
I'm not an Ubuntu guru, but I believe this has something to do with Ubuntu's HWE (Hardware Enablement) kernel stack. The idea is a rolling-release kernel that can support newer hardware for LTS releases.
https://wiki.ubuntu.com/Kernel/RollingLTSEnablementStack
I may be wrong, and I definitely have not performed tests on this, but I suspect that there is little advantage to using the HWE stack in a VBox guest.
Hope that helps.
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